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/* Smartphones (portrait and landscape) ----------- */
  @media only screen
  and (min-device-width : 320px)
  and (max-device-width : 480px) {
  /* Styles */
  }
/* Smartphones (landscape) ----------- */
  @media only screen  
  and (min-width : 321px) {
    /* Styles */
  }
/* Smartphones (portrait) ----------- */
  @media only screen
  and (max-width : 320px) {
    /* Styles */
  }
/* iPads (portrait and landscape) ----------- */
  @media only screen
  and (min-device-width : 768px)
  and (max-device-width : 1024px) {
    /* Styles */
  }
/* iPads (landscape) ----------- */
  @media only screen
  and (min-device-width : 768px)
  and (max-device-width : 1024px)
  and (orientation : landscape) {
    /* Styles */
  }
/* iPads (portrait) ----------- */
  @media only screen
  and (min-device-width : 768px)
  and (max-device-width : 1024px)
  and (orientation : portrait) {
    /* Styles */
  }
/* Desktops and laptops ----------- */
  @media only screen
  and (min-width : 1224px) {
    /* Styles */
  }
/* Large screens ----------- */
  @media only screen
  and (min-width : 1824px) {
    /* Styles */
  }
/* iPhone 4 ----------- */
  @media
  only screen and (-webkit-min-device-pixel-ratio : 1.5),
  only screen and (min-device-pixel-ratio : 1.5) {
    /* Styles */
  }